On Planetary Atmospheres, Cloud Infrastructure and the Undead!
This post was first sent to my newsletter on October 22nd, 2021 You really ought to subscribe :) via NASA Johnson on Flickr Welcome to the October work letter! :) As usual, click the headers to wander off to the orginal articles. Over at Ars Technica, Researchers think a planet lost its original atmosphere, and built a new one In general, we don’t currently have the technology to image exoplanets unless they’re very large, very young, and a considerable distance from the star they orbit. Yet we can still get some sense of what’s in their atmosphere. To do that, we need to observe a planet that transits across the line of sight between Earth and its star. During a transit, a small percentage of the star’s light will travel through the planet’s atmosphere on its way to Earth, interacting with the molecules present there. ...